package com.good.test;

import java.util.HashMap;
import java.util.Map;
import java.util.Map.Entry;
import java.util.Set;

import com.itextpdf.text.pdf.hyphenation.TernaryTree.Iterator;

public class Demo {
	public static void main(String[] args) {
		/*String a="god";
		final String b="god2";
		String c=a+""+2;
		System.out.println(b==c);*/
		/*String a="good";
		System.out.println("good"==a);*/
		Map<String,Object> map=new HashMap<String, Object>();
		map.put("good", "good");
		Set<Entry<String, Object>> iii=map.entrySet();
		java.util.Iterator<Entry<String, Object>> it=iii.iterator();
		while(it.hasNext()){
			System.out.println(it.next().getKey());
		}
		}
}
